path: root/drivers/net/smc91x.h

/*------------------------------------------------------------------------
 . smc91x.h - macros for SMSC's 91C9x/91C1xx single-chip Ethernet device.
 .
 . Copyright (C) 1996 by Erik Stahlman
 . Copyright (C) 2001 Standard Microsystems Corporation
 .	Developed by Simple Network Magic Corporation
 . Copyright (C) 2003 Monta Vista Software, Inc.
 .	Unified SMC91x driver by Nicolas Pitre
 .
 . This program is free software; you can redistribute it and/or modify
 . it under the terms of the GNU General Public License as published by
 . the Free Software Foundation; either version 2 of the License, or
 . (at your option) any later version.
 .
 . This program is distributed in the hope that it will be useful,
 . but WITHOUT ANY WARRANTY; without even the implied warranty of
 . MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 . GNU General Public License for more details.
 .
 . You should have received a copy of the GNU General Public License
 . along with this program; if not, write to the Free Software
 . Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 .
 . Information contained in this file was obtained from the LAN91C111
 . manual from SMC.  To get a copy, if you really want one, you can find
 . information under www.smsc.com.
 .
 . Authors
 .	Erik Stahlman		<erik@vt.edu>
 .	Daris A Nevil		<dnevil@snmc.com>
 .	Nicolas Pitre 		<nico@cam.org>
 .
 ---------------------------------------------------------------------------*/
#ifndef _SMC91X_H_
#define _SMC91X_H_

#include <linux/smc91x.h>

/*
 * Define your architecture specific bus configuration parameters here.
 */

#if defined(CONFIG_ARCH_LUBBOCK) ||\
    defined(CONFIG_MACH_MAINSTONE) ||\
    defined(CONFIG_MACH_ZYLONITE) ||\
    defined(CONFIG_MACH_LITTLETON) ||\
    defined(CONFIG_ARCH_VIPER)

#include <asm/mach-types.h>

/* Now the bus width is specified in the platform data
 * pretend here to support all I/O access types
 */
#define SMC_CAN_USE_8BIT	1
#define SMC_CAN_USE_16BIT	1
#define SMC_CAN_USE_32BIT	1
#define SMC_NOWAIT		1

#define SMC_IO_SHIFT		(lp->io_shift)

#define SMC_inb(a, r)		readb((a) + (r))
#define SMC_inw(a, r)		readw((a) + (r))
#define SMC_inl(a, r)		readl((a) + (r))
#define SMC_outb(v, a, r)	writeb(v, (a) + (r))
#define SMC_outl(v, a, r)	writel(v, (a) + (r))
#define SMC_insw(a, r, p, l)	readsw((a) + (r), p, l)
#define SMC_outsw(a, r, p, l)	writesw((a) + (r), p, l)
#define SMC_insl(a, r, p, l)	readsl((a) + (r), p, l)
#define SMC_outsl(a, r, p, l)	writesl((a) + (r), p, l)
#define SMC_IRQ_FLAGS		(-1)	/* from resource */

/* We actually can't write halfwords properly if not word aligned */
static inline void SMC_outw(u16 val, void __iomem *ioaddr, int reg)
{
	if (machine_is_mainstone() && reg & 2) {
		unsigned int v = val << 16;
		v |= readl(ioaddr + (reg & ~2)) & 0xffff;
		writel(v, ioaddr + (reg & ~2));
	} else {
		writew(val, ioaddr + reg);
	}
}

#elif defined(CONFIG_BLACKFIN)

#define SMC_IRQ_FLAGS		IRQF_TRIGGER_HIGH
#define RPC_LSA_DEFAULT		RPC_LED_100_10
#define RPC_LSB_DEFAULT		RPC_LED_TX_RX

# if defined (CONFIG_BFIN561_EZKIT)
#define SMC_CAN_USE_8BIT	0
#define SMC_CAN_USE_16BIT	1
#define SMC_CAN_USE_32BIT	1
#define SMC_IO_SHIFT		0
#define SMC_NOWAIT      	1
#define SMC_USE_BFIN_DMA	0


#define SMC_inw(a, r)       	readw((a) + (r))
#define SMC_outw(v, a, r)   	writew(v, (a) + (r))
#define SMC_inl(a, r)       	readl((a) + (r))
#define SMC_outl(v, a, r)   	writel(v, (a) + (r))
#define SMC_outsl(a, r, p, l)	outsl((unsigned long *)((a) + (r)), p, l)
#define SMC_insl(a, r, p, l) 	insl ((unsigned long *)((a) + (r)), p, l)
# else
#define SMC_CAN_USE_8BIT	0
#define SMC_CAN_USE_16BIT	1
#define SMC_CAN_USE_32BIT	0
#define SMC_IO_SHIFT		0
#define SMC_NOWAIT      	1
#define SMC_USE_BFIN_DMA	0


#define SMC_inw(a, r)       	readw((a) + (r))
#define SMC_outw(v, a, r)   	writew(v, (a) + (r))
#define SMC_outsw(a, r, p, l)	outsw((unsigned long *)((a) + (r)), p, l)
#define SMC_insw(a, r, p, l) 	insw ((unsigned long *)((a) + (r)), p, l)
# endif
/* check if the mac in reg is valid */
#define SMC_GET_MAC_ADDR(lp, addr)				\
	do {							\
		unsigned int __v;				\
		__v = SMC_inw(ioaddr, ADDR0_REG(lp));		\
		addr[0] = __v; addr[1] = __v >> 8;		\
		__v = SMC_inw(ioaddr, ADDR1_REG(lp));		\
		addr[2] = __v; addr[3] = __v >> 8;		\
		__v = SMC_inw(ioaddr, ADDR2_REG(lp));		\
		addr[4] = __v; addr[5] = __v >> 8;		\
		if (*(u32 *)(&addr[0]) == 0xFFFFFFFF) {		\
			random_ether_addr(addr);		\
		}						\
	} while (0)
#elif defined(CONFIG_REDWOOD_5) || defined(CONFIG_REDWOOD_6)

/* We can only do 16-bit reads and writes in the static memory space. */
#define SMC_CAN_USE_8BIT	0
#define SMC_CAN_USE_16BIT	1
#define SMC_CAN_USE_32BIT	0
#define SMC_NOWAIT		1

#define SMC_IO_SHIFT		0

#define SMC_inw(a, r)		in_be16((volatile u16 *)((a) + (r)))
#define SMC_outw(v, a, r)	out_be16((volatile u16 *)((a) + (r)), v)
#define SMC_insw(a, r, p, l) 						\
	do {								\
		unsigned long __port = (a) + (r);			\
		u16 *__p = (u16 *)(p);					\
		int __l = (l)